$ ctf42

Pwn CTF challenges

3,926 Pwn CTF challenges from 382 CTFs (2011–2026), 1,025 with writeups.

Top pwn techniques

#stack-buffer-overflow 95 #format-string 88 #rop 76 #use-after-free 56 #ret2win 55 #shellcode 48 #ret2libc 37 #heap 35 #heap-overflow 34 #tcache-poisoning 29 #got-overwrite 29 #stack-pivot 25 #buffer-overflow 23 #heap-exploitation 21 #seccomp 19

Challenges

Filter and sort these in the challenge browser →

Challenge CTF Weight Has
file-note WRECKCTF 2022 – files
flag_market Balsn 2022 53.42 files
flagmail m0leCon 2022 Quals 36.00 files
fno-stack-protector BlackhatMEA 2022 Quals – files
format AccessDenied 2022 23.75 files
formatter PwnMe 2022 – files
froggers WRECKCTF 2022 – files
ftp Securinets 2022 Quals 50.11 files
fuse N1CTF 2022 77.68 files
golf ImaginaryCTF 2022 24.65 files
hackmeifyoucan EBCTF 2022 – files
hammerhead p4ctf 2022 51.00 files
hangpwn RITSEC 2022 – files
happyrop LexingtonInformaticsTournament 2022 23.87 files
happytree SUSCTF 2022 – files
hash_browny_recipes Hack.lu 2022 93.70 files
heap Aero 2022 51.22 files
heap_baby Hackappatoi 2022 24.71 files
heap_baby_v2 Hackappatoi 2022 24.71 files
herpetology justCTF 2022 35.66 files
hfs_browser MidnightSun 2022 Quals 27.82 files
hole HITCON 2022 – files
http_service TetCTF 2022 36.72 files
huffbleed SEETF 2022 – files
intarray LexingtonInformaticsTournament 2022 23.87 files
intergalactic-communicator BSidesTLV 2022 23.94 files
ipc BuckeyeCTF 2022 24.81 files
ipc_handler LINE 2022 – files
john_the_baptist p4ctf 2022 51.00 files
jry ASIS 2022 Finals 87.00 files
jsy ASIS 2022 Quals 87.00 files
just-in-kernel DownUnderCTF 2022 – files
k32 InCTF 2022 – files
kawaii_vm InCTF 2022 – files
keep_looking_more BSidesMumbai 2022 24.62 files
keeplooking BSidesMumbai 2022 24.62 files
kernel-gym-public Aero 2022 51.22 files
kkk AzureAssassinAlliance 2022 23.80 files
koncha SECCON 2022 Quals 97.90 files
kqueue SUSCTF 2022 – files